here's what obama said, here's what romney said at the debate. let's take a listen and talk about it on the other side. >> i'm not looking for a $5 trillion tax cut. what i've said is i won't put in place a tax cut that adds to the deficit. >> governor romney's central economic plan calls for a $5 trillion tax cut. for 18 months, he's been running on this tax plan. now, five weeks before the election, he's saying his big, bold idea is never mind. >> all right. what what's the deal here? >> this is a complicated one. we have from the romney campaign a plan that has been analyzed by an independent group that said it would lead to around $450 billion a year in revenue that's cut from the -- revenue that's not there as a result of these taxes. the obama campaign has then taken this and extrapolated it over ten years, and they have arrived at $5 trillion. well, ten years times $450 billion doesn't get us to $5 trillion. so that's not quite right. but what is true is that the romney campaign, governor romney himself, has not explained what they're goin